Goldstone Bosons in the Gaussian Approximation

Abstract

The O(N) symmetric scalar quantum field theory with λΦ^4 interaction is discussed in the Gaussian approximation. It is shown that the Goldstone theorem is fulfilled for arbitrary N.

7 pages, Latex

References in corpus (1)

• Goldstone Theorem in the Gaussian Functional Approximation to the Scalar ${\varphi }^4$ Theory

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